A combination of in vivo and in vitro techniques whereby animals are treated in vivo, followed by an in vitro analysis of the effects of the treatment.

outside the living organism----------------------- Home Site Map About Us Disclaimer Contact

The external alteration of tissue taken from an organism and subsequently returned to the organism.

in an artificial environment outside the living organism; "in vitro fertilization"

pertaining to a biological process or reaction taking place outside of a living cell or organism. See also: in vivo.

Outside the body.

Ex vivo (Latin: out of the living) means that which takes place outside an organism. In science, ex vivo refers to experimentation done in or on living tissue in an artificial environment outside the organism. The most common "ex vivo" procedures involve living cells or tissues taken from an organism and cultured in a laboratory apparatus, usually under sterile conditions for a few days or weeks.